AMD Radeon RX 455 OEM vs AMD Radeon RX 590 GME

VS

AMD Radeon RX 455 OEM

AMD Radeon RX 590 GME

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 8GB VRAM Radeon RX 590 GME to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 175W)

AMD Radeon RX 590 GME 's Advantages

Released 3 years and 9 months late

Boost Clock1420MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 104.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Radeon RX 590 GME +305%

6.543 TFLOPS

Radeon RX 455 OEM

VS

Radeon RX 590 GME

Graphics Card

Jun 2016

Release Date

Mar 2020

Arctic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1420 MHz

1625 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

256.0GB/s

Render Config

12

Compute Units

36

-

768

Shading Units

2304

48

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

45.44 GPixel/s

50.40 GTexel/s

Texture Rate

204.5 GTexel/s

-

FP16 (half)

6.543 TFLOPS

1.613 TFLOPS

FP32 (float)

6.543 TFLOPS

100.8 GFLOPS

FP64 (double)

409.0 GFLOPS

Board Design

100W

TDP

175W

300 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tobago

GPU Name

Polaris 20

Tobago PRO (215-0875010)

GPU Variant

Polaris 20 XTR (215-0910066)

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

5.7 billion

160 mm²

Die Size

232 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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